<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>title</title>
		<style>
			*{
				margin: 0;
				padding: 0;
				
				
			}
		
			.div{
				height: 500px;
			}
			.mask{
				position: absolute;
				left: 0;
				bottom: 0;
				
				width: 1226px;
				height: 150px;
				background-color: rgba(0,0,0,.5);
				
				
			}
		</style>
		
		
		
	</head>
	<body>
		
		<div>
			<img src="resource/8558463.jpg">
			
			<div class="mask"></div>
			
		</div>
		
		
	</body>
</html>
